Home / 566,326.32-781,548.04-321,321.40

Finding the Fourth Proportional to 566,326.32, 781,548.04 and 321,321.40

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Solution

The fourth proportional to 566,326.32, 781,548.04 and 321,321.40 is: 443,433.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,326.32 : 781,548.04 = 321,321.40 : x
  2. Step 2: Convert to fraction form
    566,326.32/781,548.04 = 321,321.40/x
  3. Step 3: Cross multiply
    566,326.32x = 781,548.04 × 321,321.40
  4. Step 4: Simplify right side
    566,326.32x = 251,128,108,773.45
  5. Step 5: Solve for x
    x = 251,128,108,773.45/566,326.32
  6. Step 6: Final answer
    x = 443,433.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.